Fireplace insert



FIG. 1 is a perspective view of a fireplace insert showing my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image; and

FIG. 5 is a perspective view of an alternate embodiment thereof, the only difference residing in the flattening of the curved door portion. 

The ornamental design of a fireplace insert, as shown and described. 